Eye Centered Interferometric Laser Protection

Jon D. Masso

doi:10.1117/12.960926

21 March 1989 Eye Centered Interferometric Laser Protection

Jon D. Masso

Proceedings Volume 1117, Display System Optics II; (1989) https://doi.org/10.1117/12.960926
Event: SPIE 1989 Technical Symposium on Aerospace Sensing, 1989, Orlando, FL, United States

Abstract

Selective reflection by interference provides laser protection but is angular sensitive and thus the retinal coverage is inherently limited. It can be shown that thin film stacks are similar in function to holograms and rugates. Eye protection requires optimization of angular coverage and spectral bandwidths. These are intimately related and are a function of the available modulation of the indices of refraction. Maximum protection is obtained by designing the filter such that those rays directed toward the center of rotation of the eye are blocked. Practical flight goggles are being manufactured based on these principles.

Citation Download Citation

Jon D. Masso "Eye Centered Interferometric Laser Protection", Proc. SPIE 1117, Display System Optics II, (21 March 1989); https://doi.org/10.1117/12.960926

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